We spend between $220-250 a week for 2 adults and 1.5 kids. This is highly influenced by our "must be ethical" and preferably organic rule, because you get what you pay for. If it's not ethical, Australian made, organic etc. we either don't buy it or up the budget to allow for it. We figure it would be very hypocritical for DH to be a social accountability auditor and to buy stuff from China iykwim. Plus who knows what's really in it, and with an ASD kid diet is a big deal - i.e. we have to have A2 milk which is $5 for 2lts otherwise she gets loopy. That budget covers most groceries except for nappies/wipes as we also use cloth, and allows for a few treats, like a block of dark chocolate. We normally have one egg meal, two chicken meals, two red meat meals, a fish meal, and a non-egg based vegetarian meal. I make muffins/cupcakes for DH and DD's lunch boxes, and we go through a lot of fruit and veg, and I have to supplement my veg garden produce even when we have bumper crops (except for zucchinis). I find whole chickens to be one of the biggest savers. I normally put mine in the pressure cooker with 2 litres of water, that then gives me cooked chicken I can pick off and stock, I'll then put the carcass back in after I've picked off the chicken with another half litre of water and re-boil to condense the stock - I can normally get 3 meals out of one whole chicken.